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P.S. 1K
Tenant · filed under 2 names
4 projects with open permitsBROOKLYN · 4
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1 building
4
Total Filings
4
Projects on File
1
Buildings Worked
4
Projects w/ Open Permits
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Projects by first filing month4 projects all-time
0134Oct '25 · 1Nov '25 · 3Oct '25Nov '25
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Open permit4100%
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Alteration4
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309 47TH STREETBROOKLYN · 4 open · latest 03/23/2026
4 projects
Key relationships
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Design firms
4 projects
Filing representatives
1 projects
Contractors
4 projects
Filed under
PS1k3PS1K1
Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.
Most recent projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01288987309 47TH STREET
BROOKLYN
AlterationPermit Issued10/23/202503/23/2026
Design DSENY ENGINEERING SERVICES, PC
Owner NYC SCHOOL CONSTRUCTION AUTHORITY
Contractor ZARCO CONTRACTING INC
Filer DSENY ENGINEERING SERVICES,PC
SOE/PS1K - FOR SUPPORT OF EXCAVATION SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB# B00854243, B01266903 NO CHANGE IN USE,OCCUPANCY OR …
B01266903309 47TH STREET
BROOKLYN
AlterationPermit Issued11/03/202512/31/2025
Design DSENY ENGINEERING SERVICES, PC
Contractor ZARCO CONTRACTING INC
FN/PS1K - FOR TEMPORARY CONSTRUCTION EQUIPMENT (FENCE)SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB #B00854243,B00854685 NO CHANGE IN …
B01266917309 47TH STREET
BROOKLYN
AlterationPermit Issued11/03/202512/31/2025
Design DSENY ENGINEERING SERVICES, PC
Contractor ZARCO CONTRACTING INC
SF/PS1K - FOR TEMPORARY CONSTRUCTION EQUIPMENT (SCAFFOLD)SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB # B00854243 , NO CHANGE IN USE, …
B01266926309 47TH STREET
BROOKLYN
AlterationPermit Issued11/03/202512/31/2025
Design DSENY ENGINEERING SERVICES, PC
Contractor ZARCO CONTRACTING INC
SH/PS1k - FOR TEMPORARY CONSTRUCTION EQUIPMENT(SHED) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB #B00854243, NO CHANGE IN USE, OCCUPA…
Counts cover all 4 projects (4 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Dseny Engineering Services411/03/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Zarco Contracting411/03/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
NYC School Construction Authority110/23/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Dseny Engineering Services110/23/2025
4 DOB NOW projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 4Open permit 4
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01288987309 47TH STREET
BROOKLYN
AlterationPermit Issued10/23/202503/23/2026
Design DSENY ENGINEERING SERVICES, PC
Owner NYC SCHOOL CONSTRUCTION AUTHORITY
Contractor ZARCO CONTRACTING INC
Filer DSENY ENGINEERING SERVICES,PC
SOE/PS1K - FOR SUPPORT OF EXCAVATION SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB# B00854243, B01266903 NO CHANGE IN USE,OCCUPANCY OR …
B01266903309 47TH STREET
BROOKLYN
AlterationPermit Issued11/03/202512/31/2025
Design DSENY ENGINEERING SERVICES, PC
Contractor ZARCO CONTRACTING INC
FN/PS1K - FOR TEMPORARY CONSTRUCTION EQUIPMENT (FENCE)SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB #B00854243,B00854685 NO CHANGE IN …
B01266917309 47TH STREET
BROOKLYN
AlterationPermit Issued11/03/202512/31/2025
Design DSENY ENGINEERING SERVICES, PC
Contractor ZARCO CONTRACTING INC
SF/PS1K - FOR TEMPORARY CONSTRUCTION EQUIPMENT (SCAFFOLD)SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB # B00854243 , NO CHANGE IN USE, …
B01266926309 47TH STREET
BROOKLYN
AlterationPermit Issued11/03/202512/31/2025
Design DSENY ENGINEERING SERVICES, PC
Contractor ZARCO CONTRACTING INC
SH/PS1k - FOR TEMPORARY CONSTRUCTION EQUIPMENT(SHED) SUBMITTING ON BEHALF OF CONTRACTOR, RELATED TO DOB #B00854243, NO CHANGE IN USE, OCCUPA…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
309 47TH STREET ↗411/03/2025
▾Documents — 28 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/20/2026B01288987-I1 · 309 47TH STREETRequest digital key ↗
08/20/2026B01266903-I1 · 309 47TH STREETRequest digital key ↗
08/20/2026B01266917-I1 · 309 47TH STREETRequest digital key ↗
Showing 3 of 6 on file for this type
▸Seals & Professional Certifications6
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/20/2026B01288987-I1 · 309 47TH STREETOpen ↗
08/20/2026B01266903-I1 · 309 47TH STREETOpen ↗
08/13/2026B01266917-I1 · 309 47TH STREETOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
08/28/2026B01288987-I1 · 309 47TH STREETOpen ↗
08/28/2026B01288987-I1 · 309 47TH STREETOpen ↗
▸Safety & Tenant Protection3
▸DOB NOWNYCSCA - Approved Site Safety Plans3
08/13/2026B01266917-I1 · 309 47TH STREETOpen ↗
08/13/2026B01266903-I1 · 309 47TH STREETOpen ↗
08/13/2026B01266926-I1 · 309 47TH STREETOpen ↗
▸Approvals, Objections & Sign-offs8
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter4
08/13/2026B01266903-I1 · 309 47TH STREETOpen ↗
08/13/2026B01288987-I1 · 309 47TH STREETOpen ↗
08/13/2026B01266926-I1 · 309 47TH STREETOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)4
08/13/2026B01266926-I1 · 309 47TH STREETOpen ↗
08/13/2026B01266903-I1 · 309 47TH STREETOpen ↗
08/13/2026B01266917-I1 · 309 47TH STREETOpen ↗
Showing 3 of 4 on file for this type
▸Other Documents5
▸DOB NOWNYCSCA - BCC Plan Examination Transmittal4
08/13/2026B01266903-I1 · 309 47TH STREETOpen ↗
08/13/2026B01288987-I1 · 309 47TH STREETOpen ↗
08/13/2026B01266926-I1 · 309 47TH STREETOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWAdjoining Owners Notification1
08/13/2026B01288987-I1 · 309 47TH STREETOpen ↗